Flange.



v Witness@ No. 889,759Y l`PAlENTED JUNE 2, 190s.

P. BYNUM.` PLANGB.

APPLICATION FILED SEPT. 23, 1907.

sali,

his mount ll. The \flange 3 Aconstitutes the.

UNITED s'rArnS. PATENT roLK BYNUM;01- sfrnA'rHeoNa, .n.nnfrn, CANADA@f.,

FLANGE'L To allw'lmm et 1n a/ l/ concern Beit known that l, Pour BYNUM,subject of the King of England, residing at Stratheona, Alberta, Canada,have invented cfa-'tain new and useful I mpro'vei'nents in Flanges, of'which the following is a sp a-.ificati on The present inventionappertains` to wheels designed to runupon tracks, thepu rpose being tosuplpl)r the same. with a yiel l.

that upon which the wheel is adapted to run'A to yield and prevent thelifting of the wheel when passing a f rog or crossing rail.

For a full un(lerstalnliingr of the invention and the merits thereof andalso to acquire a knowledge ofthe. details of construction and the.means for effecting the result, reference is to be had to the followingdescription and accompanying drawings, in which:

Figure 1 is a side view ofa car wheel sup'- plied with a yieldableflange and adjunctive 'parts embodying the. invention. Fig.'2 is asectional perspective View of the car wheel, parts being broken away toshow more clearly the structural arrangement and details." Fig! 3 is atransverse section of the outer part of the Wheel and cooperating partson a larger scale.

Corresponding and like parts are referred to in the followingdescription and indicated in all the views of the drawings by the. samereference characters.v

'lhe wheel 1 may be of any construction such asadapted to run upon atrack and is provided upon its tread portion with the usual integralflange 2. A yieldable `Harige 3 is provided upon the opposite side ofthe wheel, the two flanges 2 and 3 adapted to embrace opposite sides ofthe tread ortion of the rail so to prevent lateral dlsplacement ofthewheel and insure its retention upon thel track. The flange 3 isyieldable so as to pass over a rail, frog, or like part touchg tlunrzil` or track upon which the. wheel 1 Specification of?. Letterslatent. napplicati@,finaseptenber'za19m. sriai No. 394,169.v

outer edge portion of a plate 4 placedv against the side of the. wheel 1opposite to tli`at-pr0- vvided with the. flange 2.- The plate 4 is ofannular formation v and itsouter ed e portionff` f constituting. theflange 311s sllght f curved yawav'from the plane of.thevwh'eelfto`prevent l l abrasive action'between the flange and-thef` track. An outerflange 5 surrounds the inner edge ofthe opening formed in the plate 4and65 is apertured toreceive the' outer endsof'ten-f sion springs (i bymeans of which the jplate 4 is centralized and held in normal position'i and made vieldable A series of openin s 7 are provided near the outeredge of the p ate 4 and are spaced apart a uniform distance to receivethe bolts or fastenings 8 by means of which the plate 4 and confiningring 9 are held in place.. A ring 1() is fastened to the l same side. ofthe. wheel 1 the plate 4 and is 75 aperturul to receive the inner endsof the tension fapring said ring being secured to the wheel by means ofbolts 11-or other suitable fasteliings.

Inasrauch as car wheels have their sides east hollow or made concave itis necessary to provide a support or filler 12 for the inner portionjofthe plate 4. The support 12 consists of'a plate of annular form havingits outer edge portion reeurved, as at 13, to t v` against the curvedportion near the outer edge of the hollow side of the wheel so as tobrace the plate 12. The inner edge portion of the .plate 12 is securedto the thickened central portion of the wheel by means'of the 90 lfastenings 11, being apertured to receive said fastenings and confinedbetween the ring 10 andthe central portion of the wheel 1, The outerside of. the plate 12 is flush with the side of the thickened treadportion of -the 95. wheel against which the plate 4 bears, so that saidplate4 hasa bearing throughout its extent. The boltsor fastenings 8 havetheir threaded ends reduced to receive the confining plate f) so thatsaid confining plate is .prevented from binding the plate 4, While atthe same time the nuts upon' the threaded ends of the/belts 8 may'beproperly tightened.v 'Ihe Aflange 5 at the inner edge of the' plate 4and the ring 1() provide Vattaching means for 105 opposite ends of thesprings 6 and heidisaid springs clear of the wheel 1. The-openings 7near the outer edge of the plate 4 are sufciently large. to admit of theplate yielding when passing over a rail, frog, or like part touchingthe. side of the track upon w rich the wheel 1 is moved, therebypreventing QF.inferiY i 1u l means for securing said plate Vto the Wheelllifting of said wheel when thellange'S `meetsl 4 with and passes oversaid crossing or touchin the rall," frog or like part. r aving thusdescribed the invention, what sion springsA normall Y toholdA itinjgiven position and.l adapted to 4 permit the same to yield whenpassiilllg over Van obstructionwith'out tending' to vWheel y when"passing ver. an obstruction lis claimed 'as newis? withoutbindng thesame, and tension s rings normally exerting a`pressure` upon sai platethe 3. Infcombination, a wheel, a plate secured to a side thereof and41r'ree to move, said plate having a ange at or Inear its inner edge, aring secured to the same side of the Wheel as the plate, and tensionsprings interposed between said rim and the flange of the plate andattached thereto.

4. In combination, a wheel having a holi low side, a plate secured tothe hollow. side of the Wheel and free Ito move, tension s ringsnormallyT exerting va pressure to hol -said plate in a given position,and a su port or llin piece secured to the hollow si e of said whee andforming asupp'ort for the inner y portion of the aforementioned plate..-In testimony whereof I affix my rsignature in presence of two witnesses.

P OLK BYNUM. [1.. s.]

Witnesses:

JOHN R. LAvELL, ALA L. BUNWARK.

